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If K.E. of an object moving with velocity 4 m/s is 72 J. Calculate mass of the object.
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If K.E. of an object moving with velocity 4 m/s is 72 J. Calculate mass of the object.

User Swantewit
by
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1 Answer

6 votes

Answer:

m=9

Step-by-step explanation:


k.E = (1)/(2)m {v}^(2)


m = (2k.E)/(v)^(2)

m=2(72)/(4)^2

m=144/16

m=9

User Glen Pierce
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